Study on the Influence of Moving Source Sound Field on MFP Algorithm

Matched field passive location technology is a classical method which combines channel transfer function with signal processing algorithm to solve the problem of passive location. At present, domestic and international research on matched field passive location technology is mostly based on static sound source. In this paper, the sound field of moving sound source is deduced and modeled. The difference of sound field in the presence of Doppler is compared and analyzed by simulation. Several ways to correct the measurement field and copy field of moving sound source in MFP algorithm are summarized. Finally, the passive positioning effect under different vertical burst element spacing is compared, and the basis of array element selection is given. The research in this paper provides a new idea for the research of passive location algorithm of moving sound source matching field.